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Diffstat (limited to 'branches/sca-java-1.5.1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java')
-rw-r--r-- | branches/sca-java-1.5.1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/branches/sca-java-1.5.1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java b/branches/sca-java-1.5.1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java new file mode 100644 index 0000000000..7a1965198a --- /dev/null +++ b/branches/sca-java-1.5.1/modules/core/src/main/java/org/apache/tuscany/sca/core/scope/CompositeScopeContainer.java @@ -0,0 +1,90 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.tuscany.sca.core.scope; + +import org.apache.tuscany.sca.core.context.InstanceWrapper; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * A scope context which manages atomic component instances keyed by composite + * + * @version $Rev$ $Date$ + */ +public class CompositeScopeContainer<KEY> extends AbstractScopeContainer<KEY> { + private InstanceWrapper<?> wrapper; + + public CompositeScopeContainer(RuntimeComponent component) { + super(Scope.COMPOSITE, component); + } + + @Override + public synchronized void stop() { + super.stop(); + if (wrapper != null) { + try { + wrapper.stop(); + } catch (TargetDestructionException e) { + throw new IllegalStateException(e); + } + } + wrapper = null; + } + + @Override + public synchronized InstanceWrapper getWrapper(KEY contextId) throws TargetResolutionException { + if (wrapper == null) { + wrapper = createInstanceWrapper(); + try { + wrapper.start(); + } catch (ThreadDeath td) { + throw td; + } catch (Throwable e) { + try { + wrapper.stop(); + } catch (ThreadDeath td) { + throw td; + } catch (Throwable e2) { + } + wrapper = null; + throw new TargetInitializationException(e); + } + } + return wrapper; + } + + @Override + public InstanceWrapper getAssociatedWrapper(KEY contextId) throws TargetResolutionException { + if (wrapper == null) { + throw new TargetNotFoundException(component.getURI()); + } + return wrapper; + } + + @Override + public synchronized void start() { + super.start(); + if (isEagerInit()) { + try { + getWrapper(null); + } catch (TargetResolutionException e) { + throw new IllegalStateException(e); + } + } + } +} |